How to find the perimeter of a square - Math

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Question

The diagonal of a square has a length of 10 inches. What is the perimeter of the square in inches squared?

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Answer

Using the Pythagorean Theorem, we can find the edge of a side to be √50, by 2a2=102. This can be reduced to 5√2. This can then be multiplied by 4 to find the perimeter.

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